Marigold Extract Lutein introduction
Marigold Extract (Lutein) is the purified fraction obtained from saponification of the oleoresin of Tagetes erecta L. It contains NLT 80.0% of total carotenoids calculated as lutein (C40H56O2 ). It contains NLT 74.0% of Lutein and NMT 8.5% of Zeaxanthin, both calculated as lutein(C40H56O2 ) on the anhydrous basis.Marigold Extract Lutein mainly specifications
① Marigold Extract Lutein Powder 2%-60% HPLC ② Marigold Extract Lutein Crystal 80% HPLC ③ Marigold Extract Lutein Esters 10%-60%HPLC ④ Marigold Extract Lutein Oil 10%,20% HPLC ⑤ Marigold Extract Lutein CWS 5% 10% HPLC ⑥ Marigold Extract Lutein Beadlets 5% 10% HPLC
Benefits of Marigold Extract Lutein
❶ Marigold Extract Lutein is natural yellow pigment, can be used food additives as colorant. ❷ Marigold Extract Lutein can supply retina of the eye protect against UV rays and AMD prevention. ❸ Marigold Extract Lutein is a natural anti-oxidant and carotenoids as a good nutrient for human health. ❹ Marigold Extract Lutein can be used as feed additive for poultry and aquaculture.Typical specification sheet of Lutein 80%
| Analysis Items | Specifications | Methods | 
| Identifications | ||
 
  |  The absorbance ratio A446 /A474 is 1.09~1.14. | |
 
  |  Retention time of the sample matches with the standard in HPLC purity test. | |
| Active Ingredients Tests | ||
| Lutein (HPLC) | ≥74.00% | USP43<621> | 
| Zeaxanthin (HPLC) | ≤8.50% | USP43<621> | 
| Carotenoids (UV) | ≥80.00% | USP40<857> | 
| Physical Tests | ||
| Appearance | Orange Yellow fine powder | Visual | 
| Odor | Characteristic | Organoleptic | 
| Taste | Characteristic | Organoleptic | 
| Particle size | 90% pass 80mesh | USP40<786> | 
| Water | ≤1.00% | USP40<921> | 
| Residue on Ignition | ≤2.00% | USP40<281> | 
| Chemical Tests | ||
| Heavy Metals | ≤10.00ppm | USP43<231> | 
| Pb<Lead> | ≤1.00ppm | USP43<211> | 
| As<Inorganic arsenic> | ≤1.00ppm | USP43<251> | 
| Cd<Cadmium> | ≤1.00ppm | USP43<232> | 
| Hg<Mercury> | ≤0.10ppm | USP43<261> | 
| Residual Solvents | USP<565> | USP43<565> | 
| Pesticide Residues | USP<561> | USP43<561> | 
| Ethoxyquin | Negative | HPLC-MS/MS | 
| Microbiological Tests | ||
| Total Bacterial Counts | ≤1,000cfu/g | USP43<2021> | 
| Yeasts and Molds | ≤100cfu/g | USP43<2021> | 
| E. Coli | Negative in 1g | USP43<2022> | 
| Salmonella | Negative in 10g | USP43<2022> | 
| * Statements : Allergen Free,Irradiated free, GMO free, Additives free,KOSHER & HALAL certificated. | ||
| * Precautions: Subtle color difference may occur batch-to-batch since it’s extracted from natural plants. | ||
| * Storage: Preserve in well-closed/vacuum container, protected from light & moisture, store at controlled room temperature. | ||
Application Cases
